Home / 695,275.38-1,042,665.21-315,878.27

Finding the Fourth Proportional to 695,275.38, 1,042,665.21 and 315,878.27

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Solution

The fourth proportional to 695,275.38, 1,042,665.21 and 315,878.27 is: 473,704.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,275.38 : 1,042,665.21 = 315,878.27 : x
  2. Step 2: Convert to fraction form
    695,275.38/1,042,665.21 = 315,878.27/x
  3. Step 3: Cross multiply
    695,275.38x = 1,042,665.21 × 315,878.27
  4. Step 4: Simplify right side
    695,275.38x = 329,355,277,510.66
  5. Step 5: Solve for x
    x = 329,355,277,510.66/695,275.38
  6. Step 6: Final answer
    x = 473,704.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.